19437978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 46632960

約数和(自身を除く): 27194982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 47, 86, 94, 129, 141, 229, 258, 282, 301, 329, 458, 602, 658, 687, 903, 987, 1374, 1603, 1806, 1974, 2021, 3206, 4042, 4809, 6063, 9618, 9847, 10763, 12126, 14147, 19694, 21526, 28294, 29541, 32289, 42441, 59082, 64578, 68929, 75341, 84882, 137858, 150682, 206787, 226023, 413574, 452046, 462809, 925618, 1388427, 2776854, 3239663, 6479326, 9718989, 19437978]

約数ペア:

[(1, 19437978), (2, 9718989), (3, 6479326), (6, 3239663), (7, 2776854), (14, 1388427), (21, 925618), (42, 462809), (43, 452046), (47, 413574), (86, 226023), (94, 206787), (129, 150682), (141, 137858), (229, 84882), (258, 75341), (282, 68929), (301, 64578), (329, 59082), (458, 42441), (602, 32289), (658, 29541), (687, 28294), (903, 21526), (987, 19694), (1374, 14147), (1603, 12126), (1806, 10763), (1974, 9847), (2021, 9618), (3206, 6063), (4042, 4809)]